Charlie Dunbar Broad (known as C.D. Broad) (30 December, 1887 - 11 March, 1971) was an English epistemologist, historian of philosophy, philosopher of science, moral philosopher, and writer on the philsophical aspects of psychical research. He was known for his thorough and dispassionate examinations of all conceivable arguments in such works as The Mind and Its Place in Nature (1925), Scientific Thought (1930) and Examination of McTaggart's Philosophy (1933).